/Engine/Source/Developer/TreeMap/Public/STreeMap.h
Construct the widget
void Construct ( const [FArguments](API\Developer\TreeMap\STreeMap\FArguments) & InArgs, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class [FTreeMapNodeData](API\Developer\TreeMap\FTreeMapNodeData) > & InTreeMapNodeData, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [ITreeMapCustomization](API\Developer\TreeMap\ITreeMapCustomization) > & InCustomization )